CN213583779U - LED lamp pearl of cup support preparation - Google Patents

Abstract

The utility model relates to a LED lamp pearl of cup support preparation particularly, LED lamp pearl is the LED lamp pearl of using LED support encapsulation chip preparation, and the support of LED lamp pearl is the LED support that the metal-inlaid formed in the resin, and the at least three limit of LED lamp pearl support bottom surface is provided with a plurality of fillets, fillet total number b on the support: b is more than or equal to 4 and less than or equal to 16, the welding feet are exposed from the side surface of the support, metal contacts are further extended from the side surface of the support and used for testing and sorting the lamp beads, the LED support is used for packaging and manufacturing small-size lamp beads with low cost, and the small-size lamp beads are not easy to be connected with tin and are not easy to be subjected to insufficient soldering during welding and use.

Description

LED lamp pearl of cup support preparation

Technical Field

The utility model relates to a LED lamp pearl and application, concretely relates to LED lamp pearl of cup support preparation.

Background

The lamp pearl of a plurality of feet of prior art, for example, 6 foot lamp pearls that RGB lamp pearl was used, 6 feet are respectively on two limits of lamp pearl, the three foot in a limit, the problem of existence is as follows:

the lamp beads are welded on the circuit board when the three pins on one side are used, particularly when the lamp beads are welded on a flexible circuit board, one of the pins is easy to be subjected to insufficient soldering, the density of the pins is high, the short circuit of tin is easy to be connected, and the density of the pins after the insufficient soldering is high, and the short circuit of tin is easy to be connected when the maintenance is carried out.

Secondly, three pins which need to be conducted on each side of the lamp bead are required to ensure that insufficient solder joint is generated during welding and the lamp bead is convenient to maintain and needs to be bent into a three-dimensional multi-surface solder pin, so that when the lamp bead is used as a planar single-surface solder pin, the yield is low during welding, particularly the insufficient solder joint of the middle solder pin is serious, many enterprises in the industry have six flat solder pins on two sides, and three flat solder pins on two sides all fail due to the above problems, so that six pins currently made in the industry are three-dimensional multi-surface solder pins on two sides and three pins on one side, and why the lamp bead is required to be made as a flat solder pin? The main reason is that when the flat welding foot is made, because no metal is bent and more metal is needed, the utilization rate of the material for manufacturing the lamp bead support is improved by more than 25%, the flat welding foot support is also thinner than the bent support by more than 40%, the total cost can be saved by 30%, and the support is thin, and when the lamp bead is packaged by the support, the packaging glue can be saved by 50%.

And thirdly, 6 pins are distributed on two edges, when the size of the LED lamp bead is smaller, the density of the welding pins is higher, the tin connection short circuit is easier, and the small-size lamp bead is more difficult to use.

In order to solve the problem that the industry has not solved always, can do little to LED lamp pearl, cost reduction can reach good result of use again, the utility model discloses take the LED lamp pearl of following method preparation cup form support preparation, overcome this technique:

the method comprises making lamp beads with a support having multiple welding feet on its multiple sides, designing and making the lamp bead support with multiple welding feet on three or more sides of the bottom surface of the support, exposing metal on the side surface of the support, designing and making metal contacts on one or more side surfaces of the support, exposing the metal contacts from the side surface of the support, making the metal of the metal contacts in the support be in conductive connection with the welding feet, arranging multiple metal electrodes in the support cup for packaging chips, respectively making the metal electrodes be in conductive connection with the welding feet outside the support, respectively making multiple chips be in die bonding on the metal electrodes in the support cup, respectively making each of the multiple chips be in conductive connection with the electrodes on the support after wire bonding by a wire bonding machine, applying packaging glue on the support, sealing the chips and the electrodes, heating to solidify the glue, a plurality of RGB lamp pearls are become with the split machine split, the leg that the chip in the LED lamp pearl of making exposes with three side at least forms and switches on, then light on the beam splitter and detect the separation, during the detection, the detector presss from both sides two sides of surveying the lamp pearl, press from both sides a plurality of electrodes of surveying the machine and touch the leg that these two sides expose and the metal contact that these two sides expose simultaneously, make LED light and detect the separation, make the LED lamp pearl that a plurality of limits all have the leg after the separation, the leg that makes LED lamp pearl with this method distributes on at least three side, still can survey the machine test lamp pearl of pressing from both sides with pressing from both sides, and the leg distributes at least trilaterally or more than trilaterally, difficult continuous tin during soldering tin, can do low-cost small-size lamp pearl.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a LED lamp pearl of cup support preparation, particularly, the support of lamp pearl is the LED support that the metal mosaic formed in the resin, and a plurality of limits of LED lamp pearl support bottom surface are provided with a plurality of fillets, fillet total number b on the support: b is more than or equal to 4 and less than or equal to 16, the welding leg is exposed out of the side surface of the support, and a metal contact is further extended from the side surface of the support and used for testing and sorting the lamp beads.

According to the utility model provides a LED lamp pearl of cup support preparation, include: an LED support; an LED chip; packaging glue; the LED lamp bead is characterized in that the LED lamp bead is made by packaging an LED chip in an LED support, the support is an LED support formed by embedding metal in resin, a sides are arranged on the bottom surface of the LED support, a is not less than 4 and not more than 8, b metal welding feet are arranged on the support, b is not less than 4 and not more than 16, c side surfaces are arranged on the support, c is not less than 4 and not more than 8, the metal welding feet are exposed out of the bottom surface, part or all of the metal welding feet are exposed out of the side surfaces of the support, the welding feet exposed out of the side surfaces of the support are distributed on d sides of the bottom surface, d is not less than 3 and not more than d and not more than a, e metal contacts are further extended from the side surfaces of the support, e is not less than 2 and not more than 16, on the support, a part of the metal contacts are connected with the metal welding feet to form conduction, or all the metal contacts are connected with the metal welding feet to form conduction, the support is a cup-, or all the metal electrodes are connected with the metal welding feet to form conduction, the chips are fixed on the metal electrodes in the support cup in a crystal mode, each chip of the chips is respectively communicated with the metal electrodes on the support, the packaging glue is bonded in the support cup and seals the chips and the metal electrodes, and at least 3 welding feet exposed from the side faces of the LED lamp beads are communicated with the chips.

According to the utility model discloses a preferred embodiment, a LED lamp pearl of cup support preparation, a serial communication port, the leg be three-dimensional roll of leg, the leg stretches out in lamp pearl side and is pasted on the surface of side and bottom surface by the book.

According to the utility model discloses a preferred embodiment, a LED lamp pearl of cup support preparation, its characterized in that, the leg be the plane leg that exposes in the bottom surface.

According to the utility model discloses a preferred embodiment, a LED lamp pearl of cup support preparation, a serial communication port, the metal contact only be used for the inspection when selecting separately the lamp pearl for the detection contact switches on the use, the metal contact that is used for the detection has both switched on with the lamp pearl leg, has switched on with the chip formation again.

According to the utility model discloses a preferred embodiment, a LED lamp pearl of cup support preparation, a serial communication port, the metal contact set up and expose in two relative sides of lamp pearl, have two sides of metal contact, every side has the metal contact again and has the leg, detect the lamp pearl with the metal contact and the leg of these two sides simultaneously, detect the lamp pearl.

According to the utility model discloses a preferred embodiment, a LED lamp pearl of cup support preparation, a serial communication port, the metal contact set up and outwards expose in a side of lamp pearl, there is the side of metal contact, existing metal contact has the leg again, perhaps only metal contact, metal contact and leg with two relative sides simultaneously when detecting lamp pearl detect the lamp pearl.

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below.

Drawings

The features, objects, and advantages of the present invention will become more apparent from the reading of the specification in conjunction with the following drawings, a brief description of which follows.

FIG. 1 is a schematic circuit plan view of a cup shaped holder with solder fillets on four sides.

Fig. 2 is a top plan view of a cup shaped holder with fillets on four sides.

FIG. 3 is a bottom plan view of a cup shaped holder with fillets on four sides.

Fig. 4 is a schematic cross-sectional view of a cup shaped holder with fillets on four sides.

FIG. 5 is a schematic view of the upper and lower equiangular axes of a cup shaped holder having fillets on four sides.

Fig. 6 is a plan view of a plurality of holder cups of a cup holder having fillets on four sides.

FIG. 7 is a top view of a plurality of frame cups of a cup shaped frame with fillets on four sides for die bonding wires.

FIG. 8 is a schematic cross-sectional view of an LED lamp bead with fillets on multiple sides.

Fig. 9 is a schematic top view of an LED lamp bead with fillets on multiple sides.

Detailed Description

The present invention will be described in detail below by taking preferred embodiments as examples.

It will be understood by those skilled in the art that the following descriptions are provided for purposes of illustration and description of certain preferred embodiments only and are not intended to limit the scope of the present invention.

Example one

Manufacturing of die cutting die

The 2835LED support that contains 6 feet, the cuboid support of 2.8mmx3.5mm of design preparation respectively in wide 2.8 mm's two limits design a leg 1.1 and two metal contact 1.2, two other limits respectively design two legs 1.1, 6 total legs 1.1 and 4 metal contact 1.2.

Two, die-cut support circuit rudiment

Preparing a 0.20mm copper strip, punching the 0.20mm copper strip 1.1 into a support circuit prototype on a punch press by using a punching die, and electroplating silver on the support circuit prototype to plate a layer of silver on the surface of the copper strip.

Preparation of PPA resin

PPA resin 2.1 is injected on the copper strip by an injection mould on an injection molding machine to form a plurality of bracket cups, and the copper prototype circuit is embedded in the PPA resin.

Fourthly, 6 welding feet are made by punching the bracket

A connecting piece support containing a plurality of LED supports is manufactured by die cutting, each support is provided with 6 welding feet 1.1, 4 testing metal contacts 1.2, two sides of 2.8mm are respectively provided with one welding foot 1.1, two sides of 3.5mm are respectively provided with two welding feet 1.1. Six metal electrodes are arranged in the support cup and are respectively connected and conducted with six welding feet on the outer bottom surface of the support, and four metal contacts are connected and conducted with four metal electrodes in the cup to manufacture the cup-shaped support with the welding feet on four sides (shown in figures 1, 2, 3, 4, 5 and 6).

Fifth, packaging LED lamp bead

Firstly, die bonding

Fixing red, green and blue chips 3.1 on three electrodes in the cup by a crystal fixing machine, fixing a red chip on one electrode in the cup by silver glue, fixing blue and green chips on the other two electrodes by crystal fixing glue, and baking to solidify the glue.

② bonding wires

The positive and negative electrodes of the three chips were connected to the metal electrodes of the cup bottom by welding with alloy wires 4.1, respectively, by a wire bonder (shown in fig. 7).

Thirdly, dispensing

And (5) dispensing the packaging glue 5.1 by using a dispenser in the cup, and baking to solidify the packaging glue.

Peeling material

The LED lamp beads with welding feet on multiple sides are manufactured by splitting the single RGB lamp beads on a splitting machine by using a mold (shown in figures 8 and 9).

Spectroscopic detection

On 2835 RGB's press from both sides survey beam splitter, through pressing from both sides four metal contact and two fillets of surveying two limits, these four metal contact have communicated four fillets on 3.5 mm's two limits respectively, have also communicated the electrode of chip, press from both sides to survey to divide and select LED lamp pearl of a plurality of categories to divide and to divide a plurality of boxes in, dispose the defective products simultaneously.

Sixthly, packaging

And (4) weaving the LED lamp beads on the packaging tape by using a braiding machine.

The above description will be made in detail with reference to the accompanying drawings, with reference to a specific embodiment of the LED lamp bead made of a cup-shaped support. It will be understood by those skilled in the art, however, that the foregoing is illustrative and descriptive of some specific embodiments only, and not limiting as to the scope of the invention, and particularly the scope of the claims.

Claims (6)

1. An LED lamp pearl of cup support preparation includes:

an LED support;

an LED chip;

packaging glue;

the LED lamp is characterized in that the LED lamp bead is made by packaging an LED chip in an LED support, the LED support is an LED support formed by embedding metal in resin, a sides are arranged on the bottom surface of the LED support, a is not less than 4 and not more than 8, b metal welding feet are arranged on the support, b is not less than 4 and not more than 16, c side surfaces are arranged on the support, c is not less than 4 and not more than 8, the metal welding feet are exposed on the bottom surface, part or all of the metal welding feet are exposed from the side surfaces of the support, the welding feet exposed from the side surfaces of the support are distributed on d sides of the bottom surface, d is not less than 3 and not more than d and not more than a, e metal contacts are further extended from the side surfaces of the support, e is not less than 2 and not more than 16, on the support, a part of the metal contacts are connected with the metal welding feet to form conduction, or all the metal contacts are connected with the metal welding feet to form conduction, the support is a cup-shaped support, f, or all the metal electrodes are connected with the metal welding feet to form conduction, the chips are fixed on the metal electrodes in the support cup in a crystal mode, each chip of the chips is respectively communicated with the metal electrodes on the support, the packaging glue is bonded in the support cup and seals the chips and the metal electrodes, and at least 3 welding feet exposed from the side faces of the LED lamp beads are communicated with the chips.

2. The LED lamp bead made of the cup-shaped bracket as claimed in claim 1, wherein the solder leg is a three-dimensional roll leg solder leg, and the solder leg extends out of the side surface of the lamp bead and is rolled and attached to the outer surface of the side surface and the bottom surface.

3. The LED lamp bead made of the cup-shaped bracket according to claim 1, wherein the solder leg is a planar solder leg exposed on the bottom surface.

4. The LED lamp bead made of the cup-shaped support according to claim 1, wherein the metal contact is only used for detecting contact conduction when the sorting lamp bead is detected, and the metal contact for detection is conducted with a lamp bead welding foot and a chip.

5. The LED lamp bead made of the cup-shaped support according to claim 1, wherein the metal contacts are arranged on two opposite sides of the lamp bead to be exposed, two sides with the metal contacts are provided, each side is provided with the metal contact and a welding leg, and the metal contacts and the welding legs on the two sides are used for detecting the lamp bead simultaneously.

6. The LED lamp bead made of the cup-shaped support according to claim 1, wherein the metal contact is arranged on one side surface of the lamp bead and exposed outwards, the side surface with the metal contact is provided with both the metal contact and the solder leg, or only the metal contact is provided, and the metal contact and the solder leg on two opposite side surfaces are used for detecting the lamp bead simultaneously.

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